[Buildroot] [PATCH] python-setuptools: Add patch to prevent detecting the host installation

[Yegor Yefremov]

On Thu, Aug 22, 2013 at 10:19 AM, Yegor Yefremov
<yegorslists at googlemail.com> wrote:
> On Wed, Aug 21, 2013 at 10:49 PM, Arnout Vandecappelle <arnout at mind.be> wrote:
>> On 20/08/13 16:25, Markos Chandras wrote:
>>> Signed-off-by: Markos Chandras <markos.chandras at imgtec.com>
>>> ---
>>>   ...etuptools-do-not-detect-installed-version.patch | 26 ++++++++++++++++++++++
>>>   1 file changed, 26 insertions(+)
>>>   create mode 100644 package/python-setuptools/python-setuptools-do-not-detect-installed-version.patch
>>>
>>> diff --git a/package/python-setuptools/python-setuptools-do-not-detect-installed-version.patch b/package/python-setuptools/python-setuptools-do-not-detect-installed-version.patch
>>> new file mode 100644
>>> index 0000000..ebc8830
>>> --- /dev/null
>>> +++ b/package/python-setuptools/python-setuptools-do-not-detect-installed-version.patch
>>> @@ -0,0 +1,26 @@
>>> +Prevent build system from detecting an existing installation.
>>> +Fixes the following problem when python-setuptools is installed
>>> +on the host:
>>> +
>>> +Setuptools installation detected at /usr/lib64/python2.7/site-packages
>>> +Renaming /usr/lib64/python2.7/site-packages/setuptools-0.9.8-py2.7.egg-info to
>>> +/usr/lib64/python2.7/site-packages/setuptools-0.9.8-py2.7.egg-info.OLD.1377005697.88
>>> +OSError: [Errno 13] Permission denied
>>
>>  This happens because setuptools is called with:
>>
>>         PYTHONPATH="/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages"
>>
>>  Yegor, Gustavo, any idea why this is called with a python path pointing
>> to the host? Maybe this isn't needed anymore? A quick grep in the source
>> doesn't indicate an obvious place where PYTHONPATH would be relevant
>> during install itself.
>>
>>  I've just tried removing the PYTHONPATH override and it built OK, but I
>> haven't tested if a package installed with setuptools actually works.
>> Well, actually, host-setuptools _doesn't_ have that strange
>> PYTHONPATH override and that is of course the only one used within
>> buildroot itself...
>
> I'll look into it. But I need some time.

The only package, that relies on setuptools is netifaces. I've applied
the patch, rebuilt BR and everything seems to be OK. I can use
netifaces, when I start the new image.

Yegor